二次的

Driver system for the stability of nonlinear and non-use of the theory of linear quadratic control law studies, select the ball location, speed and rod angle, angular velocity of the four variables as state variables, output variables for the ball position and bar angle, the establishment of linear state space equation and after the designs of clubs based on LQR control law, the design process simple and easy to realize the control law, simulation results show that the linear quadratic regulator robustness and stability.

球杆系统翻译，求高人针对球杆系统的非线性和不稳定性运用最优二次型理论进行控制律的研究，选取小球位置、速度和横杆角度、角速度四个变量为状态变量，输出变量为小球的位置和横杆的角度，建立状态空间方程并进行线性化后设计了基于LQR的球杆系统控制律，设计过程简单，控制律的实现容易，仿真结果表明了最优二次型调节器的鲁棒性和稳定性。

The check of mutation of video camera lens that offerred a kind to be based on BP nerve network newly calculates a standard, this algorithm chooses pattern plate to match poor cent and histogram 2 times 2 times to differ cent to serve as a feature, those who use nerve network from organization, self-study mutation of camera lens of implementation of ability of be used to detects, detect in order to flash next will raise detected dependability.

提出了一种新的基于BP神经网络的视频镜头突变检测算法，该算法选取模板匹配二次差分和直方图二次差分作为特征，利用神经网络的自组织、自学习能力实现镜头突变检测，然后以闪光检测来提高检测的可靠性。

Now we, as the composite optical probe coordinates (2.5 million), the CMM, the second yuan camera projection measuring machine, Chao Shu-optical probe of the professional producers, both in the relevant core technology with independent knowledge of technological property rights , Is especially worth noting that our YXB the probe successfully developed greatly reduced the company's costs, YXB probe has therefore become the world's probe of the industry one of the semi-finals.

如今我们作为光学探针复合式二坐标（2.5次元）、三坐标测量机、二次元摄像投影测量机、光学探针式抄数机的专业生产商，在相关核心技术上都拥有自主知识技术产权，特别值得指出的是我们的YXB测头的研发成功大大降低了公司成本，YXB测头也因此成为世界测头行业的四强之一。

As a coordinate measuring machine, the optical probe composite coordinates (2.5 D ) measuring machine, the second yuan projection measuring machine, the optical probe of the professional Chaoshu machine manufacturers, using Yi Xing Bai Japanese modern enterprise management mode from the Chinese Academy of Sciences, Tsinghua University in Japan and the country returned to senior technical staff, as well as mechanical engineering design experts formed a strong research and development team, has a number of CMM mechanical design experts and motion control core technology independent intellectual property rights.

作为三坐标测量机、光学探针复合式二坐标(2.5元次)测量机、二次元投影测量机、光学探针式抄数机的专业生产商，壹兴佰采用日本现代化企业管理模式，由中科院、清华和国家高级留日归国工程技术人员以及机械设计专家组建的强有力的研发队伍，拥有多项三坐标测量机的机械设计专家及运动控制核心技术自主知识产权。

The author used to solve the linear matrix method to simulate the equations of quadratic regression equation work curve with only a few simple mathematical expressions for the second straight three coefficient regression equations, received the good effect.

作者用矩阵法求解线性方程组的方法来模拟工作曲线的二次回归方程，仅用几个简单的数学表达式就直接求得了二次回归方程的三系数，收到了很好的效果。

2The interior-point algorithm combined with quasi-active setstrategy is applied to solving some structural optimization and contactanalysis problems.

一般结构优化问题具有约束数目多的特点，本文给出的二次规划算法通过拟有效集策略同内点法结合，提高了序列二次规划的求解效率，算例表明了该方法的有效性。

Based on application and research of secondary cooler for shaft furnace pelletizing at home,some problems and drawbacks were pointed out.

针对国内竖炉球团二次冷却器的应用及研究现状，提出其存在的问题，并介绍一种可用来代替目前竖炉球团二次冷却器的新型PZ B型冷却器的设计、冷却原理及应用前

In this paper,some troubles existing in the condenser of the shaft furnace pellet system are discussed,and the whole design,principle as well as the prospect of a new secondary condenser named PZ A which could take place of those used at present are introduced.

阐述了竖炉球团二次冷却器的应用及研究现状，指出其存在的问题，并介绍了一种可用来代替目前竖炉球团二次冷却器的新型 PZ-A型冷却器的设计、冷却原理及应用前景。

When the positive curving angle increases, the total losses of cascades increase, the outlet flow angles vary acutely along the spanwise, the intensity and size of outlet trailing vortex increase obviously, however the intensity and scale of outlet passage vortex vary slightly, secondary flow at both midspan and endwall increase and the total averaged kinetic energy of secondary flow increases..

随着叶片正弯曲角的增大：叶栅总损失增加；叶栅出口气流角沿叶高剧烈变化；叶栅出口尾缘涡的强度和尺度明显增大，而叶栅出口通道涡的强度和尺度变化都不大；叶栅中部和端部二次流均增强，总平均的二次流动能增大。

A kind of quatratic programming technique,Potential Reduction Algorithm,is used for solving the optimization problem.

本文利用二次规划方法，讨论对神经网络训练样本的吸引半径的优化问题，并借用二次规划中的PRA算法求该优化解，得到一种新的神经网络基于规划的学习算法。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。